74 = 17 + 18 + 19 + 20.
74 is a hungry number. The kth hungry number is the smallest number n such that 2n contains the first k digits of the decimal expansion of pi: 5, 17, 74, 144, 144, 2003, . . . . The first number is 5 because 25 is 32, which contains 3, the first digit of pi. They were named hungry numbers because they try to eat as much "pi" as possible.
74 is a hungry number. The kth hungry number is the smallest number n such that 2n contains the first k digits of the decimal expansion of pi: 5, 17, 74, 144, 144, 2003, . . . . The first number is 5 because 25 is 32, which contains 3, the first digit of pi. They were named hungry numbers because they try to eat as much "pi" as possible.
74 has a representation as a sum of two squares: 74 = 52 + 72.
